search the youtube for "sciyer", "e-cognition", "proe". You may also join www.mcadcentral.com their proe forum. Another resource is the www.proe.com.
The best resource however are the help files. You may have to burn a lot of mid night oil, but then it would be worth it.
If you are looking for free tutorials on Pro/ENGINEER (or Creo Elements/Pro), there are several that can be found on LearningExchange - PTC's newest learning application - covering a wide range of topics.